Passage 7.12.2
βεβαιοῖ δὴ τὸ λεγόμενον ὡς ἄρʼ ἦν καὶ πῦρ ἐς πλέον ἄλλου πυρὸς καῖον καὶ λύκος ἀγριώτερος λύκων ἄλλων καὶ ὠκύτερος ἱέραξ ἱέρακος πέτεσθαι, εἴγε καὶ Καλλικράτην ἀνοσιώτατον τῶν τότε Μεναλκίδας μὲν ὑπερῆρεν ἀπιστίᾳ, Καλλικράτην, ὃς ἐλάσσων παντοίου λήμματος καὶ ἐπὶ οὐδενὶ οἰκείῳ κέρδει πόλει τῇ Ἀθηναίων ἀπηχθημένος παυσάμενον μὲν τῆς ἀρχῆς Μεναλκίδαν ἐδίωκεν ἐν τοῖς Ἀχαιοῖς θανάτου δίκην· πρεσβεῦσαί τε γὰρ Ἀχαιῶν ἐναντία ἔφασκεν αὐτὸν ἐς Ῥώμην καὶ ἐς τὰ μάλιστα γενέσθαι πρόθυμον ἐξελέσθαι τὴν Σπάρτην συνεδρίου τοῦ Ἀχαιῶν.
Indeed it confirms the saying that there is a fire burning more fiercely than other flames, and a wolf wilder than other wolves, and a hawk swifter in flight than other hawks—if in fact Callicrates, the most impious of all men at that time, surpassed even Menalcidas in treachery. Callicrates, who, inferior in every form of gain and not acting for any private profit, yet hated by the Athenian city, pursued Menalcidas, after his retirement from office, before the Achaeans, pressing for his death sentence. He asserted that Menalcidas had conducted an embassy contrary to the interests of the Achaeans at Rome, and had especially exerted himself zealously to detach Sparta from the confederacy of the Achaeans.